Vulnerability-Lookup

GHSA-M4W2-2J95-QX2Q

Vulnerability from github – Published: 2026-01-23 18:31 – Updated: 2026-01-23 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

net: mscc: ocelot: Fix crash when adding interface under a lag

Commit 15faa1f67ab4 ("lan966x: Fix crash when adding interface under a lag") fixed a similar issue in the lan966x driver caused by a NULL pointer dereference. The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic and is susceptible to the same crash.

This issue specifically affects the ocelot_vsc7514.c frontend, which leaves unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as it uses the DSA framework which registers all ports.

Fix this by checking if the port pointer is valid before accessing it.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-22982"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-23T16:15:54Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mscc: ocelot: Fix crash when adding interface under a lag\n\nCommit 15faa1f67ab4 (\"lan966x: Fix crash when adding interface under a lag\")\nfixed a similar issue in the lan966x driver caused by a NULL pointer dereference.\nThe ocelot_set_aggr_pgids() function in the ocelot driver has similar logic\nand is susceptible to the same crash.\n\nThis issue specifically affects the ocelot_vsc7514.c frontend, which leaves\nunused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as\nit uses the DSA framework which registers all ports.\n\nFix this by checking if the port pointer is valid before accessing it.",
  "id": "GHSA-m4w2-2j95-qx2q",
  "modified": "2026-01-23T18:31:29Z",
  "published": "2026-01-23T18:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22982"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03fb1708b7d1e76aecebf767ad059c319845039f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2985712dc76dfa670eb7fd607c09d4d48e5f5c6e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8767f238b0e6c3d0b295ac6dce9fbe6a99bd1b9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b17818307446c5a8d925a39a792261dbfa930041"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f490af47bbee02441e356a1e0b86e3b3dd5120ff"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-22982 (GCVE-0-2026-22982)

Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-01-23 15:24

Title

net: mscc: ocelot: Fix crash when adding interface under a lag

Summary

In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: Fix crash when adding interface under a lag Commit 15faa1f67ab4 ("lan966x: Fix crash when adding interface under a lag") fixed a similar issue in the lan966x driver caused by a NULL pointer dereference. The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic and is susceptible to the same crash. This issue specifically affects the ocelot_vsc7514.c frontend, which leaves unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as it uses the DSA framework which registers all ports. Fix this by checking if the port pointer is valid before accessing it.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/8767f238b0e6c3d0b…
	https://git.kernel.org/stable/c/b17818307446c5a8d…
	https://git.kernel.org/stable/c/2985712dc76dfa670…
	https://git.kernel.org/stable/c/03fb1708b7d1e76ae…
	https://git.kernel.org/stable/c/f490af47bbee02441…
	https://git.kernel.org/stable/c/34f3ff52cb9fa7dbf…

Impacted products

Vendor

Product

Version

Linux

Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < 8767f238b0e6c3d0b295ac6dce9fbe6a99bd1b9d (git)
Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < b17818307446c5a8d925a39a792261dbfa930041 (git)
Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < 2985712dc76dfa670eb7fd607c09d4d48e5f5c6e (git)
Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < 03fb1708b7d1e76aecebf767ad059c319845039f (git)
Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < f490af47bbee02441e356a1e0b86e3b3dd5120ff (git)
Affected: 528d3f190c98c8f7d9581f68db4af021696727b2 , < 34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95 (git)

Linux

Affected: 5.12
Unaffected: 0 , < 5.12 (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.161 , ≤ 6.1.* (semver)
Unaffected: 6.6.121 , ≤ 6.6.* (semver)
Unaffected: 6.12.66 , ≤ 6.12.* (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mscc/ocelot.c"
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          "vendor": "Linux",
          "versions": [
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            },
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              "versionType": "git"
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            {
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              "status": "affected",
              "version": "528d3f190c98c8f7d9581f68db4af021696727b2",
              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.15.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.161",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.121",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
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                },
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
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                  "versionStartIncluding": "5.12",
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                }
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              "operator": "OR"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-23T15:24:04.556Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/8767f238b0e6c3d0b295ac6dce9fbe6a99bd1b9d"
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        {
          "url": "https://git.kernel.org/stable/c/b17818307446c5a8d925a39a792261dbfa930041"
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        },
        {
          "url": "https://git.kernel.org/stable/c/f490af47bbee02441e356a1e0b86e3b3dd5120ff"
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        {
          "url": "https://git.kernel.org/stable/c/34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95"
        }
      ],
      "title": "net: mscc: ocelot: Fix crash when adding interface under a lag",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    "datePublished": "2026-01-23T15:24:04.556Z",
    "dateReserved": "2026-01-13T15:37:45.936Z",
    "dateUpdated": "2026-01-23T15:24:04.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-M4W2-2J95-QX2Q

CVE-2026-22982 (GCVE-0-2026-22982)

Tags

Sightings

Nomenclature